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How to link an add-in application with web-server?

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Message 1 of 5
state.of.grace.17
399 Views, 4 Replies

How to link an add-in application with web-server?

I try to make an add-in for Fusion 360 where I could get a parametric assembly from web-server.  I made a try but there was an error which I have no idea how to make it solved. 
User has to click on add-in and then parametric assembly and palette should appear at the same time (custom palette is for choosing user's parameters). 
Here are the code and an error: 

 

import adsk.core, adsk.fusion, adsk.cam, traceback
import urllib.request
import urllib.error
import urllib.parse
import pathlib

handlers = []
app = adsk.core.Application.get()
ui  = app.userInterface

def run(context😞
    ui = None
    try:
        app = adsk.core.Application.get()
        ui  = app.userInterface

        ui.messageBox('Добавлена надстройка для соединительных муфт')
        workSpace = ui.workspaces.itemById('FusionSolidEnvironment')
        tbPanels = workSpace.toolbarPanels
        tbPanel = tbPanels.itemById('NewPanel')
        if tbPanel:
            tbPanel.deleteMe()
        tbPanel = tbPanels.add('NewPanel''БИБЛИОТЕКА МУФТ''SelectPanel'False)

        cmdDef = ui.commandDefinitions.itemById('NewCommand')
        if cmdDef:
            cmdDef.deleteMe()
        cmdDef = ui.commandDefinitions.addButtonDefinition('NewCommand''Создать муфту''Ввод параметров для соединительных муфт','.//resource')
        tbPanel.controls.addCommand(cmdDef)


        sampleCommandCreated = SampleCommandCreatedEventHandler()
        cmdDef.commandCreated.add(sampleCommandCreated)
        handlers.append(sampleCommandCreated)


    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))


class SampleCommandCreatedEventHandler(adsk.core.CommandCreatedEventHandler😞
    def __init__(self😞
        super().__init__()
    def notify(selfargs😞
        eventArgs = adsk.core.CommandCreatedEventArgs.cast(args)
        cmd = eventArgs.command

        # Connect to the execute event.
        onExecute = SampleCommandExecuteHandler()
        cmd.execute.add(onExecute)
        handlers.append(onExecute)



class SampleCommandExecuteHandler(adsk.core.CommandEventHandler😞
    def __init__(self😞
        super().__init__()
    def notify(selfargs😞
        try:
            app = adsk.core.Application.get()
            ui  = app.userInterface
            # Create and display the palette.
            palette = ui.palettes.itemById('myExport')
            if palette:
                palette.deleteMe()
            if not palette:
                #make the [close] button invisible
                palette = ui.palettes.add('myExport''БИБЛИОТЕКА МУФТ''index.html'TrueTrueTrue400200)

                # Dock the palette to the right side of Fusion window.
                palette.dockingState = adsk.core.PaletteDockingStates.PaletteDockStateRight

                url = "http://195.133.144.86:4200//Half-coupling1.f3d"
                occ = importComponentFromURL(url)
    
            else
                palette.isVisible = True 
        except:
            ui.messageBox('Command executed failed: {}'.format(traceback.format_exc()))



def importComponentFromURL(url) -> adsk.fusion.Occurrence:

    app = adsk.core.Application.get()
    ui = app.userInterface

    # doc check
    doc = app.activeDocument
    if not doc.dataFile:
        ui.messageBox('Please save the document once.')
        return adsk.fusion.Occurrence.cast(None)

    folder = pathlib.Path(r'C:\Temp')
    if not folder.exists():
        folder.mkdir()

    parsed = urllib.parse.urlparse(url)
    filename = parsed.path.split('//')[-1]
    dlFile = folder / filename

    # suffix check
    if dlFile.suffix != '.f3d':
        ui.messageBox('F3D File Only')
        return adsk.fusion.Occurrence.cast(None)

    # delete download file
    if dlFile.is_file():
        dlFile.unlink()

    # file download
    try:
        data = urllib.request.urlopen(url).read()
        with open(str(dlFile), mode="wb"as f:
            f.write(data)
    except:
        ui.messageBox(f'File not found in URL\n{url}')
        return adsk.fusion.Occurrence.cast(None)

    # import f3d
    app.executeTextCommand(u'Fusion.ImportComponent {}'.format(dlFile))
    app.executeTextCommand(u'NuCommands.CommitCmd')

    # delete download file
    if dlFile.is_file():
        dlFile.unlink()

    des = adsk.fusion.Design.cast(app.activeProduct)
    comp = des.activeComponent
    return comp.occurrences[-1]
 
def stop(context😞
    ui = None
    try:
        ui.messageBox('Stop addin')

        workSpace = ui.workspaces.itemById('FusionSolidEnvironment')
        tbPanels = workSpace.toolbarPanels
                
        tbPanel = tbPanels.itemById('NewPanel')
        if tbPanel:
            tbPanel.deleteMe()

        cmdDef = ui.commandDefinitions.itemById('NewCommand')
        if cmdDef:
            cmdDef.deleteMe()
    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))

 

Labels (4)
4 REPLIES 4
Message 2 of 5

Hello,

 

I guess that the problem is in the next block of code:

 

 

 

            if palette:
                palette.deleteMe()

 

 

The deleteMe() method deletes the palette object but it doesn't clear the palette variable. So the condition "if not palette:" is false and the code goes to the line "palette.isVisible = True". But the palette object doesn't exist anymore. So the code crashes.

 

A solution could be to set the variable to None:

            if palette:
                palette.deleteMe()
                palette = None

 

But can you explain what you're trying to do?

 

Please use the "Insert/Edit code sample" tool ( </> icon in the toolbar) when you write your message.

 

Message 3 of 5

Hi! We are trying to create an add-in application to design parametric assemblies (couplings). We want to get a parametric coupling assembly from web-server and put it into Fusion 360 active design (user has to choose desired parameters and then click on Build button). 

Message 4 of 5

We tried to use your method but we still have the same error. 

Message 5 of 5

Hi @state.of.grace.17 .

 

I'm not sure what 'index.html' is doing, but I modified it like this and the error was avoided.

 

・・・
class SampleCommandExecuteHandler(adsk.core.CommandEventHandler):
    def __init__(self):
        super().__init__()
    def notify(self, args):
        try:
            # app = adsk.core.Application.get()
            # ui  = app.userInterface
            # Create and display the palette.
            palette = ui.palettes.itemById('myExport')
            # if palette:
            #     palette.deleteMe()
            if not palette:
                #make the [close] button invisible
                palette = ui.palettes.add('myExport', 'БИБЛИОТЕКА МУФТ', 'index.html', True, True, True, 400, 200)

                # Dock the palette to the right side of Fusion window.
                palette.dockingState = adsk.core.PaletteDockingStates.PaletteDockStateRight

            palette.isVisible = True

            url = "http://195.133.144.86:4200//Half-coupling1.f3d"
            occ = importComponentFromURL(url)

        except:
            ui.messageBox('Command executed failed: {}'.format(traceback.format_exc()))
・・・

def importComponentFromURL(url) -> adsk.fusion.Occurrence:
・・・

    # import f3d
    app.executeTextCommand(u'Fusion.ImportComponent /NoMove {}'.format(dlFile))
    # app.executeTextCommand(u'NuCommands.CommitCmd')
・・・
def stop(context):
    # ui = None
    try:
        ui.messageBox('Stop addin')
・・・

 

We have also fixed the strange scope of 'ui'.

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